Artist's impression of W43A based on the ALMA observation results (IMAGE)

National Institutes of Natural Sciences

Artist's impression of W43A based on the ALMA observation results

Caption

Diffuse spherical gas was emitted from the star in the past. W43A has just started ejecting bipolar jets which entrain the surrounding material. Bright spots in radio emissions from water molecules are distributed around the interface of the jets and the diffuse gas.

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NAOJ

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